2) direct band-pass sampling on intermediate frequency
中频直接带通采样
4) Band pass sampling
带通采样
1.
After analyzing the spectrum of the FSK signal and finding the feasibility to apply band pass sampling technology,a new real time detection for FSK signal based on non whole period sampling is put forward,and the frequency resolution and the character of real time are also studied.
对铁路轨道移频信号的频谱进行了分析 ,针对其频谱特点发现了应用带通采样技术的可行性 ,提出了基于带通采样频率的非整周期采样的实时检测方法 ,同时对其频率分辨率和实时性进行了研
6) band-pass sampling
带通采样
1.
Application of band-pass sampling technology in high resolution imaging sonar;
带通采样在高分辨率图像声纳中的应用
2.
Selection and Kind Optimization for Band-pass Sampling Rates in Digital Receivers;
数字接收机中带通采样速率的选取及种类优化
3.
interpolate and extraction,and applying band-pass sampling in bandwidth digital instruments,the requirement of A/D converters used in these instruments can be reduced dramatically.
根据软件无线电的研究成果,采用抽取、内插等数字信号处理方法,将频域带通采样变换方法应用于宽带数字仪器仪表,从而可大大降低对A/D转换器的要求。
补充资料：通频带
在规定的衰减值下，电路能通过的频率范围。一般采用3分贝带宽。电路对信号的不同频率分量有不同的响应，凡信号分量中幅度在最大信号分量幅度的3分贝(即0707)衰减以内的频率范围便称为通频带。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条